.banner_box{
  width: 750rpx;
  height: 380rpx;
  position: relative;
  z-index: 0;
  &::after{
    content: '';
    width: 140%;
    height: 140px;
    position: absolute;
    left: -20%;
    top: 0;
    z-index: -1;
    border-radius: 0 0 50% 50%;
    background: linear-gradient(180deg, #e94328 0%, #e94328 100%);
  }
  .banner{
    width: calc(100% - 40rpx);
    height: calc(100% - 20rpx);
    // margin-top: 20rpx;
    margin-left: 20rpx;
  }
}

